Abstract: A means for adjusting the heights of animal waterers in a multi-cage livestock confinement system includes an elongated water pipe rotatably mounted along an elongated partition which closes one side of a plurality of longitudinally positioned livestock cages. The water pipe is connected to a source of water under pressure and a watering valve in each cage is attached to the water pipe so that the elevations of the watering valves are adjusted in response to rotation of the water pipe about its longitudinal axis. A lever may be extended from the water pipe at the same attitude as the watering valves for rotating the watering pipe and indicating the elevation of the watering valves.